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Contents
- The climate of Worcester
- The best time to visit Worcester
- The worst time to visit Worcester
- Spring weather in Worcester
- Summer weather in Worcester
- Autumn weather in Worcester
- Winter weather in Worcester
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Buildings and a sign of Worcester in Massachusetts
The climate of Worcester
Positioned in the northeastern region of the United States, Worcester, Massachusetts enjoys a Humid Continental climate, as characterized by the Köppen climate classification. This predominantly Dfb climate means the city experiences no dry season but endures a warm summer periodically. Across the span of the year, temperatures fluctuate considerably, descending to as low as 18.9°F (-7.3°C) in the colder months and ascending to a high of 81.1°F (27.3°C) during summer. Humidity levels remain fairly stable throughout the year, oscillating marginally between 72% and 81%.
Rainfall measures, on average, somewhere between 1.69" (43mm) and 2.76" (70mm) per month, with the number of rainy days ranging from 6.8 days to 16.2 days. Interestingly, snowfall can reach up to 6.06" (154mm) during the winter season, accompanied by 9.7 snowfall days typically. Clear skies grace the city approximately between 12.8 days to 17.8 days per month, presenting a blend of sunlit hours between 4.5 hours and 10 hours in a day. Wind speeds fluctuate from 5.6mph (9km/h) and escalate up to 9.1mph (14.6km/h).
Rainfall measures, on average, somewhere between 1.69" (43mm) and 2.76" (70mm) per month, with the number of rainy days ranging from 6.8 days to 16.2 days. Interestingly, snowfall can reach up to 6.06" (154mm) during the winter season, accompanied by 9.7 snowfall days typically. Clear skies grace the city approximately between 12.8 days to 17.8 days per month, presenting a blend of sunlit hours between 4.5 hours and 10 hours in a day. Wind speeds fluctuate from 5.6mph (9km/h) and escalate up to 9.1mph (14.6km/h).
The best time to visit Worcester
Reviewing the weather statistics, the best time to visit Worcester extends from May to September. During these months, the city enjoys warm temperatures between 54.9°F (12.7°C) to 79°F (26.1°C). This period also witnesses high levels of sunlight, averaging between 8.2 to 10 hours daily, ideal for outdoor activities and sightseeing. Despite the surrendering of rains between 2.32" (59mm) and 2.52" (64mm), this deluge does not render the city less appealing but adds an element of freshness post showers.
The worst time to visit Worcester
The months between October to April appear to be less favored as they carry lower temperatures, generously dropping to 18.9°F (-7.3°C). The possibility of snow, rising from 0.24" (6mm) to 6.06" (154mm) in certain months, may pose difficulty for visitors unfamiliar with such weather conditions. The diminished sunshine hours during these months, which range from 4.9 hours to 7.9 hours, may render days less inviting for outdoor activity.
Spring weather in Worcester
Spring in Worcester, from March to May, brings noticeable warmth as temperatures rise from 27.7°F (-2.4°C) to 66.9°F (19.4°C). This period witnesses a relative increase in rainfall, with precipitation levels reaching 2.64" (67mm). The number of days witnessing rainfall also increases from 6.8 days to 16.3 days compared to the preceding season. Days grow longer, offering up to 14.6 hours of daylight giving residents and visitors more time to enjoy the outdoors.
Summer weather in Worcester
Summer months from June to August are the warmest months in Worcester. The temperature during this period can reach up to 81.1°F (27.3°C) and hardly ever fall below 55°F (12.8°C). Along with high temperatures, these months also introduce the most sunlight hours, between 9 hours and 10 hours per day. Cloud coverage levels drop at this time, mixing the blue sky with just a 38% to 44% cloud cover.
Autumn weather in Worcester
Autumn carries a stark transition from the warm summer months to cooler temperatures. At this time, temperatures vary from 58.6°F (14.8°C) down to 34.2°F (1.2°C). Rainfall holds steady between 1.69" (43mm) and 2.72" (69mm), and days with rainfall are not predictable, typically around 13.1 to 13.8 days a month. Daylight noticeably reduces, dropping from 12.5 hours in September to 9.8 hours by November.
Winter weather in Worcester
Winter in Worcester, extending from December to February, ushers in cold weather and the ubiquitous presence of snow. This time witnesses temperatures plummeting to an average low of 18.9°F (-7.3°C), while rarely rising above 36.5°F (2.5°C). Snowfall measures up to 6.06" (154mm) adding an aesthetic adornment to the city. However, winter is not all gloom as sunshine duration hovers between 4.5 hours and 4.9 hours a day, offering a silver lining amid the numbing cold.
Weather in January
January represents the very heart of the winter season in Worcester, Massachusetts. The city faces a stark contrast between hourly sunshine duration of 4.9 hours and periods of snowfall accounting for 4.41" (112mm). The arrival of New Year is often celebrated amidst the spectacle of wintry landscapes, glowing in the diminished daylight. Weather in January »
Weather in February
The grip of winter remains unshaken in February, yet demonstrates a moderate escalation in snowfall, measuring at 6.06" (154mm). As Worcester trudges through the tail-end of winter, it becomes painted with a denser layer of white snow. Weather in February »
Weather in March
March is a transitional period for the Worcester weather, as winter gradually releases its grip to usher in the onset of spring. Noticeably, snowfall is reduced to 5.24" (133mm), indicating the significant change in season. An enhanced daylight duration and sun exposure uplifts the overall mood and serves as a hopeful reminder of the warmer days ahead. Weather in March »
Weather in April
April in Worcester welcomes a winsome transformation as nature breaks free from its winter slumber. Witnessing the city receive 1.73" (44mm) of snow can beboth a surprise and a delight. Worcester is seen blooming in pastel hues, brushing off the residual wintry chills, and welcoming the bright Easter weekend. Weather in April »
Weather in May
Diving deeper into spring, May brings to Worcester an upliftment in temperature and vibrant hues. The city escapes the reign of winter entirely as reflected by an insignificant snowfall of merely 0.24" (6mm). Blossoms find their time in the sun just as people begin spending more time outdoors. Weather in May »
Weather in June
June rings in the beginning of a pleasing summer in Worcester, Massachusetts. The weather guarantees a snow-free period, thus negating the possibility of a surprise snow flurry. Days become longer and outdoor activities attain their peak, encouraged by the daytime sunshine and the comfortable warmth. Weather in June »
Weather in July
July sets forth the zenith of summer in Worcester, recorded by an average high temperature of 81.1°F (27.3°C). The month is characterized by warm, sunny days fostering lively outdoor events and activities. A moderate rainfall serves to temper the warm days offering periodic comfort to residents. Weather in July »
Weather in August
August, although representing the conclusion of summer, continues to maintain high temperatures in Worcester. Even though a slight drop is observed from the peak, the warmth lingers at an elevated 79°F (26.1°C). The presence of periodic rainfall and breezy winds ensures a comfortable summer’s end. Weather in August »
Weather in September
September in Worcester marks the commencement of a visually and meteorologically delightful fall season. The change manifests itself in a noticeable drop in temperature, though no snowfall is observed. The blistering summer heat subsides and the embrace of a cooler atmosphere with vibrant fall colors paints the town with an artistic palette. Weather in September »
Weather in October
October carries forward the calming and cooling trend in Worcester. The moderate climate is complemented by an occasional, light snowfall of 0.75" (19mm). As trees adopt darker hues, Worcester transforms into a dramatic canvas of fall colors. Weather in October »
Weather in November
As Worcester steps into November, the call of winter becomes evident. An increase in snowfall, settling at 2.52" (64mm), hints at the transition to the colder season. By this time, fall is well past its peak and the golden-hued leaves begin to make way for the oncoming snow showers. Weather in November »
Weather in December
December ushers in Worcester's winter, evidenced by an increased snowfall of 3.5" (89mm). It paints a beautiful holiday atmosphere across the city, just in time for Christmas. The gradually reducing daylight duration and temperatures foretell a full-fledged winter scenario in the upcoming months. Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
Worcester reaches its average lowest temperatures in January, measuring 30.9°F (-0.6°C) at the peak and 18.9°F (-7.3°C) at the lowest.
How many days does it rain?
Throughout the year, in Worcester, there are 146.1 rainfall days, and 28.94" (735mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Worcester, during the entire year, snow falls for 39.9 days and aggregates up to 24.45" (621mm) of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
With an average relative humidity of 81%, February is the most humid month.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 6.06" (154mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.5h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
With an average relative humidity of 72%, April is the least humid month.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 12min of daylight.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
The warmest period tends to be July, when average temperatures fluctuate between a high of 81.1°F (27.3°C) and a low of 61.7°F (16.5°C).
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 10h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.69" (43mm) of precipitation.
What is the rainiest month in Worcester?
December is the month with the most rainfall. Rain falls for 9.1 days and accumulates 2.76" (70mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Worcester, MA
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Worcester, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Worcester, MA
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.7mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Worcester, MA
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Worcester, MA
- Average rainfall in January:
2.17" - Average rainfall in February:
2.01" - Average rainfall in March:
2.56" - Average rainfall in April:
2.64" - Average rainfall in May:
2.32" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.4" - Average rainfall in September:
1.69" - Average rainfall in October:
2.68" - Average rainfall in November:
2.72" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days
Worcester, MA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.2 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall
Worcester, MA
- Average snowfall in January:
4.41" - Average snowfall in February:
6.06" - Average snowfall in March:
5.24" - Average snowfall in April:
1.73" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Worcester, MA
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Worcester, MA
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Worcester, MA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (12.8 days).
Average UV index
Worcester, MA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Worcester, MA
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Worcester, MA
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Worcester, Massachusetts, USA
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